397975968

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{106297}}^1$

素因数の和:106326

約数の個数: 72

約数和(自身を含む): 1218812868

約数和(自身を除く): 820836900

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 106297, 212594, 318891, 425188, 637782, 850376, 956673, 1275564, 1381861, 1700752, 1913346, 2551128, 2763722, 3401504, 3826692, 4145583, 5102256, 5527444, 7653384, 8291166, 10204512, 11054888, 12436749, 15306768, 16582332, 22109776, 24873498, 30613536, 33164664, 44219552, 49746996, 66329328, 99493992, 132658656, 198987984, 397975968]

約数ペア:

[(1, 397975968), (2, 198987984), (3, 132658656), (4, 99493992), (6, 66329328), (8, 49746996), (9, 44219552), (12, 33164664), (13, 30613536), (16, 24873498), (18, 22109776), (24, 16582332), (26, 15306768), (32, 12436749), (36, 11054888), (39, 10204512), (48, 8291166), (52, 7653384), (72, 5527444), (78, 5102256), (96, 4145583), (104, 3826692), (117, 3401504), (144, 2763722), (156, 2551128), (208, 1913346), (234, 1700752), (288, 1381861), (312, 1275564), (416, 956673), (468, 850376), (624, 637782), (936, 425188), (1248, 318891), (1872, 212594), (3744, 106297)]